| Subject | English | German |
| opt. | vertical illuminator | Opakilluminator (for the examination of opaque specimens) |
| phys. | vertical illuminator | Auflichtilluminator |
| phys. | vertical illuminator | Vertikalilluminator |
| opt. | vertical illuminator | Vertikalilluminator (for the examination of opaque specimens) |
| opt. | vertical illuminator | Epikondensor (for the examination of opaque specimens) |
| phys. | vertical phase illuminator | Vertikalphasenilluminator |